FILE - In this Oct. 8, 2009 file photo, Jenna Bush Hager, special contributor for the NBC "Today" television program, appears on the show in New York. Former first daughter Jenna Bush Hager announced Wednesday, Dec. 12, 2012, that she's pregnant with her first child, due in the spring. The 31-year-old made the announcement on NBC's “Today” show, where she is a contributing correspondent. Hager, the twin daughter of former President George W. Bush, and her husband, Henry, have been married for four years. (AP Photo/Richard Drew)

FILE - In this Oct. 8, 2009 file photo, Jenna Bush Hager, special contributor for the NBC "Today" television program, appears on the show in New York. Former first daughter Jenna Bush Hager announced Wednesday, Dec. 12, 2012, that she's pregnant with her first child, due in the spring. The 31-year-old made the announcement on NBC's “Today” show, where she is a contributing correspondent. Hager, the twin daughter of former President George W. Bush, and her husband, Henry, have been married for four years. (AP Photo/Richard Drew)

The Bush family

•December 12, 2012

The Bush dynasty boasts two former U.S. presidents (George H.W. and George W.) and a former governor of Florida (Jeb). The newest addition: Jenna Bush Hager announced she is pregnant on Dec. 12, 2012.